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Double-wedge-plate interferometer for collimation testing: new configurations

โœ Scribed by Sriram, Kuppuswamy Venkatesan ;Senthilkumaran, Paramasivam ;Kothiyal, Mahendra Prasad ;Sirohi, Rajpal Singh


Book ID
115342890
Publisher
The Optical Society
Year
1993
Tongue
English
Weight
546 KB
Volume
32
Category
Article
ISSN
1559-128X

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Wedge plate interferometry: a new dual f
โœ J.S. Darlin; M.P. Kothiyal; R.S. Sirohi ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 276 KB

A method of deriving a dual ยฎeld fringe pattern from a single wedge plate for collimation testing is presented. The proposed technique uses a wedge plate and a 908 prism retroreยฏector to form two interference ยฎelds. With the two sets of fringes, the technique provides twofold increase in sensitivity